Massively: EVE Evolved: A guide to probing in Apocrypha

"Several years ago, CCP released a new upgrade for EVE Online's standard system scanner. Scanner probes were deployable tools that could be used to find ships, drones and a few hidden complexes lost in the vastness of space. The system was later expanded to provide an awesome exploration experience – combat encounters, dungeons and rich asteroid belts were strewn throughout space for some lucky explorer to find."